keep T tracer optional

Signed-off-by: Laurent THOMAS <laurent.thomas@open-cells.com>

openair2/RRC/NR/tests/CMakeLists.txt

@@ -4,7 +4,7 @@ add_executable(rrc_bearers_test rrc_bearers_test.c ../rrc_gNB_radio_bearers.c ${
 add_dependencies(tests rrc_bearers_test)
 add_test(NAME rrc_bearers_test COMMAND rrc_bearers_test)
 target_include_directories(rrc_bearers_test PRIVATE ./common/utils/ds common/utils/LOG)
-target_link_libraries(rrc_bearers_test PRIVATE ds alg asn1_e1ap asn1_lte_rrc_hdrs asn1_nr_rrc_hdrs LOG T)
+target_link_libraries(rrc_bearers_test PRIVATE ds alg asn1_e1ap asn1_lte_rrc_hdrs asn1_nr_rrc_hdrs LOG ${T_LIB})
 target_compile_definitions(rrc_bearers_test PRIVATE ENABLE_TESTS)
 
 add_executable(rrc_cell_management_test rrc_cell_management_test.c)